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1、完美WORD格式摘要就目前来说,中频感应加热的加热速度快并且控制起来十分方便,已经在诸多行业中得到了广泛的应用。本文对600kwIGBT串联谐振式节能中频电炉主电路系统进行了设计,主要工作如下:一.高压10kV进线开关柜的设计,高压10kV系统为小电流接地系统,设计过电压和过电流保护,设计电压、电流和电能计量。二.设计整流电路、滤波电路以及逆变电路,说明其原理。三.说明元件工作原理和电路设计原理及依据,说明降低谐波和节能原理。本设计阐述了串联谐振中频感应电炉的主电路整体结构,并且给予了基本电路的理论分析,推导了主电路的计算公式,阐述了经过整流桥和谐
2、振负载改造后优点,完成了逆变电路、整流电路以及电抗器的设计。目前为止,串联谐振中频电炉仍具有大量的使用空间,使得该课题具有其现实意义。关键词:感应加热;串联谐振;晶闸管;逆变;整流专业整理知识分享完美WORD格式AbstractFornow,therateofheatingofthemediumfrequencyinductionheating,fastandcontrolisveryconvenient,hasbeenwidelyusedinmanyindustries.Thisarticle600KwIGBTseriesresonantener
3、gy-savingintermediatefrequencyelectricfurnacemaincircuitsystemdesign,themainworkisasfollows:One.Thedesignofhighvoltage10KVlineswitchgear,highvoltage10KVsystemforsmallcurrentgroundingsystem,thedesignofovervoltageandovercurrentprotection,designvoltage,currentandpowermeasurement.
4、Two.Thedesignphaseintothe10KVsixlinerectifiertransformerwiring,selectionoftheratedvoltageandthevoltagedrop,lowpressureoutletovervoltageandovercurrentprotection,indicatingthatreducingtheharmonicprinciple.Thire.Descriptionofthecomponentsworkingprincipleandcircuitdesignprinciples
5、andbasisofthelowerharmonicsandenergyconservationprinciple.Thedesigndescribedtheoverallstructureofthemaincircuit,theseriesresonantmediumfrequencyinductionfurnaceandgiveatheoreticalanalysisofthebasiccircuit,themaincircuitisderivedformulaontheadvantagesofthetransformationafterthe
6、bridgerectifierandtheresonantloadinvertercircuitiscompleted,designoftherectifiercircuit,reactor,andthelineinductance.Sofar,theseriesresonantintermediatefrequencyelectricfurnacestillhasalotofuseofspace,thesubjecthasitspracticalsignificance.Keywords:inductionheating;seriesresona
7、nce;thyristor,inverter;rectifier专业整理知识分享完美WORD格式目录摘要IAbstractII目录III第一章概论-1-1.1选择课题的背景及意义-1-1.2串联谐振中频电炉主电路结构的设计-2-1.3该课题的研究目标-3-第二章中频电炉的工作原理-4-2.1中频电炉的内部结构-4-2.2电磁感应原理-4-2.3感应加热效应-5-2.3.1集肤效应-6-2.3.2邻近效应-7-2.3.3端部效应-8-2.3.4圆环效应-8-2.4中频电炉负载-9-2.4.1负载磁场-9-2.4.2负载电阻-10-2.4.3负载参数-
8、11-第三章中频电源和小电流接地系统-13-3.1中频电源系统-13-3.2小电流接地系统-15-3.2.110kV进线开